Dangerous Girls - Abigail Haas

Paradise in Aruba quickly gets gruesome in this "ripped-from-the-headlines thriller (Kirkus Reviews)" with a twist that defies the imagination.
It's Spring Break of senior year. Anna, her boyfriend Tate, her best friend Elise, and a few other close friends are off to a debaucherous trip to Aruba that promises to be the time of their lives.
But when Elise is found brutally murdered, Anna finds herself trapped in a country not her own, fighting against vile and contemptuous accusations. As Anna sets out to find her friend's killer, she discovers harsh revelations about her friendships, the slippery nature of truth, and the ache of young love.
Awaiting the judge's decree, it becomes clear to Anna that everyone around her thinks she is not only guilty, but also dangerous. And when the whole story comes out, reality is more shocking than anyone could ever imagine...